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Condensed Statement of Stockholders' Equity [Parenthetical] | 6 Months Ended
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Jun. 30, 2017 $ / shares
Stock Issued During Period Rights Offering Per Share | $ 3.03
Warrants Issued During Period Rights Offering Per Share | 0.97
Stock Issued During Period In Payment Of Accrued Compensation Per Share | 3.60
Common stock for services per share issue one | 4.85
Stock Issued During Period 2017 Board Services Per Share | $ 3.60

X
- Definition Per share value of common share granted (first issue) during the period for services. + References No definition available. + Details
Name: | clir_CommonStockForServicesPerShareIssueOne
Namespace Prefix: | clir_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The price per share of Stock issued during the period 2017 board services per share. + References No definition available. + Details
Name: | clir_StockIssuedDuringPeriod2017BoardServicesPerShare
Namespace Prefix: | clir_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The price per share of warrants issued during in payment of accrued compensation per share. + References No definition available. + Details
Name: | clir_StockIssuedDuringPeriodInPaymentOfAccruedCompensationPerShare
Namespace Prefix: | clir_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The price per share of Stock issued during the period rights offering per share. + References No definition available. + Details
Name: | clir_StockIssuedDuringPeriodRightsOfferingPerShare
Namespace Prefix: | clir_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The price per share of warrants issued during the period rights offering per share. + References No definition available. + Details
Name: | clir_WarrantsIssuedDuringPeriodRightsOfferingPerShare
Namespace Prefix: | clir_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration